Thick-Jawed Orbweaver

Subject: What kind of spider is this (if, indeed, it is a spider) Geographic location of the bug: Northern Illinois Date: 09/30/2017 Time: 02:59 PM EDT This critter has been hanging out on our back sliding door. How you want your letter signed: Just curious…

Male Thick-Jawed Orbweaver

Dear Just curious, Based on this BugGuide image, we are quite confident you encountered a male Thick-Jawed Orbweaver in the genus Pachygnatha.